[ proh-feyj ]

  1. a stable, inherited form of bacteriophage in which the genetic material of the virus is integrated into, replicated, and expressed with the genetic material of the bacterial host.

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Origin of prophage

1950–55; shortening of French probactériophage;see pro-1, bacteriophage

Words Nearby prophage Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use prophage in a sentence

British Dictionary definitions for prophage


/ (ˈprəʊfeɪdʒ) /

  1. a virus that exists in a bacterial cell and undergoes division with its host without destroying it: Compare bacteriophage

Origin of prophage

C20: by contraction from French probactériophage; see pro- ², bacteriophage

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012